Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a fragmentary enlarged front view thereof; and,

FIG. 7 is a cross-section view taken along line 7-7 in FIG. 6 .

Broken lines show environmental portions of a tire that are not being claimed, and form no part of the claimed design. The light stippled surface shading represents the surface of the tire tread, and the dark stippled surface shading represents the recessed portion of the tread grooves, having the depth as shown in FIG. 7 . 

CLAIM The ornamental design for a tire tread, as shown and described. 